2021509140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1951}}^1\times {\mathrm{2467}}^1$

素因数の和:4437

約数の個数: 96

約数和(自身を含む): 6474768384

約数和(自身を除く): 4453259244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1951, 2467, 3902, 4934, 5853, 7401, 7804, 9755, 9868, 11706, 12335, 13657, 14802, 17269, 19510, 23412, 24670, 27314, 29265, 29604, 34538, 37005, 39020, 40971, 49340, 51807, 54628, 58530, 68285, 69076, 74010, 81942, 86345, 103614, 117060, 136570, 148020, 163884, 172690, 204855, 207228, 259035, 273140, 345380, 409710, 518070, 819420, 1036140, 4813117, 9626234, 14439351, 19252468, 24065585, 28878702, 33691819, 48131170, 57757404, 67383638, 72196755, 96262340, 101075457, 134767276, 144393510, 168459095, 202150914, 288787020, 336918190, 404301828, 505377285, 673836380, 1010754570, 2021509140]

約数ペア:

[(1, 2021509140), (2, 1010754570), (3, 673836380), (4, 505377285), (5, 404301828), (6, 336918190), (7, 288787020), (10, 202150914), (12, 168459095), (14, 144393510), (15, 134767276), (20, 101075457), (21, 96262340), (28, 72196755), (30, 67383638), (35, 57757404), (42, 48131170), (60, 33691819), (70, 28878702), (84, 24065585), (105, 19252468), (140, 14439351), (210, 9626234), (420, 4813117), (1951, 1036140), (2467, 819420), (3902, 518070), (4934, 409710), (5853, 345380), (7401, 273140), (7804, 259035), (9755, 207228), (9868, 204855), (11706, 172690), (12335, 163884), (13657, 148020), (14802, 136570), (17269, 117060), (19510, 103614), (23412, 86345), (24670, 81942), (27314, 74010), (29265, 69076), (29604, 68285), (34538, 58530), (37005, 54628), (39020, 51807), (40971, 49340)]