21772860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 43545540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 71, 76, 95, 114, 142, 190, 213, 228, 269, 284, 285, 355, 380, 426, 538, 570, 710, 807, 852, 1065, 1076, 1140, 1345, 1349, 1420, 1614, 2130, 2690, 2698, 3228, 4035, 4047, 4260, 5111, 5380, 5396, 6745, 8070, 8094, 10222, 13490, 15333, 16140, 16188, 19099, 20235, 20444, 25555, 26980, 30666, 38198, 40470, 51110, 57297, 61332, 76396, 76665, 80940, 95495, 102220, 114594, 153330, 190990, 229188, 286485, 306660, 362881, 381980, 572970, 725762, 1088643, 1145940, 1451524, 1814405, 2177286, 3628810, 4354572, 5443215, 7257620, 10886430, 21772860]

約数ペア:

[(1, 21772860), (2, 10886430), (3, 7257620), (4, 5443215), (5, 4354572), (6, 3628810), (10, 2177286), (12, 1814405), (15, 1451524), (19, 1145940), (20, 1088643), (30, 725762), (38, 572970), (57, 381980), (60, 362881), (71, 306660), (76, 286485), (95, 229188), (114, 190990), (142, 153330), (190, 114594), (213, 102220), (228, 95495), (269, 80940), (284, 76665), (285, 76396), (355, 61332), (380, 57297), (426, 51110), (538, 40470), (570, 38198), (710, 30666), (807, 26980), (852, 25555), (1065, 20444), (1076, 20235), (1140, 19099), (1345, 16188), (1349, 16140), (1420, 15333), (1614, 13490), (2130, 10222), (2690, 8094), (2698, 8070), (3228, 6745), (4035, 5396), (4047, 5380), (4260, 5111)]