21603330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 65505024

約数和(自身を除く): 43901694

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 53, 63, 70, 90, 105, 106, 126, 159, 210, 265, 315, 318, 371, 477, 530, 630, 647, 742, 795, 954, 1113, 1294, 1590, 1855, 1941, 2226, 2385, 3235, 3339, 3710, 3882, 4529, 4770, 5565, 5823, 6470, 6678, 9058, 9705, 11130, 11646, 13587, 16695, 19410, 22645, 27174, 29115, 33390, 34291, 40761, 45290, 58230, 67935, 68582, 81522, 102873, 135870, 171455, 203805, 205746, 240037, 308619, 342910, 407610, 480074, 514365, 617238, 720111, 1028730, 1200185, 1440222, 1543095, 2160333, 2400370, 3086190, 3600555, 4320666, 7201110, 10801665, 21603330]

約数ペア:

[(1, 21603330), (2, 10801665), (3, 7201110), (5, 4320666), (6, 3600555), (7, 3086190), (9, 2400370), (10, 2160333), (14, 1543095), (15, 1440222), (18, 1200185), (21, 1028730), (30, 720111), (35, 617238), (42, 514365), (45, 480074), (53, 407610), (63, 342910), (70, 308619), (90, 240037), (105, 205746), (106, 203805), (126, 171455), (159, 135870), (210, 102873), (265, 81522), (315, 68582), (318, 67935), (371, 58230), (477, 45290), (530, 40761), (630, 34291), (647, 33390), (742, 29115), (795, 27174), (954, 22645), (1113, 19410), (1294, 16695), (1590, 13587), (1855, 11646), (1941, 11130), (2226, 9705), (2385, 9058), (3235, 6678), (3339, 6470), (3710, 5823), (3882, 5565), (4529, 4770)]