21236700516470

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2473}}^1\times {\mathrm{254141}}^1$

素因数の和:256761

約数の個数: 64

約数和(自身を含む): 39837429434880

約数和(自身を除く): 18600728918410

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 1090, 2473, 3379, 4946, 6758, 12365, 16895, 24730, 33790, 76663, 153326, 254141, 269557, 383315, 508282, 539114, 766630, 1270705, 1347785, 2541410, 2695570, 7878371, 8356267, 15756742, 16712534, 27701369, 39391855, 41781335, 55402738, 78783710, 83562670, 138506845, 277013690, 628490693, 858742439, 1256981386, 1717484878, 3142453465, 4293712195, 6284906930, 8587424390, 19483211483, 38966422966, 68505485537, 97416057415, 137010971074, 194832114830, 342527427685, 685054855370, 2123670051647, 4247340103294, 10618350258235, 21236700516470]

約数ペア:

[(1, 21236700516470), (2, 10618350258235), (5, 4247340103294), (10, 2123670051647), (31, 685054855370), (62, 342527427685), (109, 194832114830), (155, 137010971074), (218, 97416057415), (310, 68505485537), (545, 38966422966), (1090, 19483211483), (2473, 8587424390), (3379, 6284906930), (4946, 4293712195), (6758, 3142453465), (12365, 1717484878), (16895, 1256981386), (24730, 858742439), (33790, 628490693), (76663, 277013690), (153326, 138506845), (254141, 83562670), (269557, 78783710), (383315, 55402738), (508282, 41781335), (539114, 39391855), (766630, 27701369), (1270705, 16712534), (1347785, 15756742), (2541410, 8356267), (2695570, 7878371)]