21072044340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{9049}}^1$

素因数の和:9842

約数の個数: 144

約数和(自身を含む): 67774870800

約数和(自身を除く): 46702826460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 761, 765, 1020, 1522, 1530, 2283, 3044, 3060, 3805, 4566, 6849, 7610, 9049, 9132, 11415, 12937, 13698, 15220, 18098, 22830, 25874, 27147, 27396, 34245, 36196, 38811, 45245, 45660, 51748, 54294, 64685, 68490, 77622, 81441, 90490, 108588, 116433, 129370, 135735, 136980, 153833, 155244, 162882, 180980, 194055, 232866, 258740, 271470, 307666, 325764, 388110, 407205, 461499, 465732, 542940, 582165, 615332, 769165, 776220, 814410, 922998, 1164330, 1384497, 1538330, 1628820, 1845996, 2307495, 2328660, 2768994, 3076660, 4614990, 5537988, 6886289, 6922485, 9229980, 13772578, 13844970, 20658867, 27545156, 27689940, 34431445, 41317734, 61976601, 68862890, 82635468, 103294335, 117066913, 123953202, 137725780, 206588670, 234133826, 247906404, 309883005, 351200739, 413177340, 468267652, 585334565, 619766010, 702401478, 1053602217, 1170669130, 1239532020, 1404802956, 1756003695, 2107204434, 2341338260, 3512007390, 4214408868, 5268011085, 7024014780, 10536022170, 21072044340]

約数ペア:

[(1, 21072044340), (2, 10536022170), (3, 7024014780), (4, 5268011085), (5, 4214408868), (6, 3512007390), (9, 2341338260), (10, 2107204434), (12, 1756003695), (15, 1404802956), (17, 1239532020), (18, 1170669130), (20, 1053602217), (30, 702401478), (34, 619766010), (36, 585334565), (45, 468267652), (51, 413177340), (60, 351200739), (68, 309883005), (85, 247906404), (90, 234133826), (102, 206588670), (153, 137725780), (170, 123953202), (180, 117066913), (204, 103294335), (255, 82635468), (306, 68862890), (340, 61976601), (510, 41317734), (612, 34431445), (761, 27689940), (765, 27545156), (1020, 20658867), (1522, 13844970), (1530, 13772578), (2283, 9229980), (3044, 6922485), (3060, 6886289), (3805, 5537988), (4566, 4614990), (6849, 3076660), (7610, 2768994), (9049, 2328660), (9132, 2307495), (11415, 1845996), (12937, 1628820), (13698, 1538330), (15220, 1384497), (18098, 1164330), (22830, 922998), (25874, 814410), (27147, 776220), (27396, 769165), (34245, 615332), (36196, 582165), (38811, 542940), (45245, 465732), (45660, 461499), (51748, 407205), (54294, 388110), (64685, 325764), (68490, 307666), (77622, 271470), (81441, 258740), (90490, 232866), (108588, 194055), (116433, 180980), (129370, 162882), (135735, 155244), (136980, 153833)]