21000851910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1367}}^1\times {\mathrm{3347}}^1$

素因数の和:4747

約数の個数: 128

約数和(自身を含む): 59357629440

約数和(自身を除く): 38356777530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1367, 1530, 2295, 2734, 3347, 4101, 4590, 6694, 6835, 8202, 10041, 12303, 13670, 16735, 20082, 20505, 23239, 24606, 30123, 33470, 36909, 41010, 46478, 50205, 56899, 60246, 61515, 69717, 73818, 90369, 100410, 113798, 116195, 123030, 139434, 150615, 170697, 180738, 184545, 209151, 232390, 284495, 301230, 341394, 348585, 369090, 418302, 451845, 512091, 568990, 627453, 697170, 853485, 903690, 1024182, 1045755, 1254906, 1536273, 1706970, 2091510, 2560455, 3072546, 3137265, 4575349, 5120910, 6274530, 7681365, 9150698, 13726047, 15362730, 22876745, 27452094, 41178141, 45753490, 68630235, 77780933, 82356282, 123534423, 137260470, 155561866, 205890705, 233342799, 247068846, 388904665, 411781410, 466685598, 617672115, 700028397, 777809330, 1166713995, 1235344230, 1400056794, 2100085191, 2333427990, 3500141985, 4200170382, 7000283970, 10500425955, 21000851910]

約数ペア:

[(1, 21000851910), (2, 10500425955), (3, 7000283970), (5, 4200170382), (6, 3500141985), (9, 2333427990), (10, 2100085191), (15, 1400056794), (17, 1235344230), (18, 1166713995), (27, 777809330), (30, 700028397), (34, 617672115), (45, 466685598), (51, 411781410), (54, 388904665), (85, 247068846), (90, 233342799), (102, 205890705), (135, 155561866), (153, 137260470), (170, 123534423), (255, 82356282), (270, 77780933), (306, 68630235), (459, 45753490), (510, 41178141), (765, 27452094), (918, 22876745), (1367, 15362730), (1530, 13726047), (2295, 9150698), (2734, 7681365), (3347, 6274530), (4101, 5120910), (4590, 4575349), (6694, 3137265), (6835, 3072546), (8202, 2560455), (10041, 2091510), (12303, 1706970), (13670, 1536273), (16735, 1254906), (20082, 1045755), (20505, 1024182), (23239, 903690), (24606, 853485), (30123, 697170), (33470, 627453), (36909, 568990), (41010, 512091), (46478, 451845), (50205, 418302), (56899, 369090), (60246, 348585), (61515, 341394), (69717, 301230), (73818, 284495), (90369, 232390), (100410, 209151), (113798, 184545), (116195, 180738), (123030, 170697), (139434, 150615)]