21306073690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1\times {\mathrm{6473}}^1$

素因数の和:7815

約数の個数: 64

約数和(自身を含む): 43696703232

約数和(自身を除く): 22390629542

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 1301, 2530, 2602, 6473, 6505, 12946, 13010, 14311, 28622, 29923, 32365, 59846, 64730, 71203, 71555, 142406, 143110, 148879, 149615, 297758, 299230, 329153, 356015, 658306, 712030, 744395, 1488790, 1637669, 1645765, 3275338, 3291530, 8188345, 8421373, 16376690, 16842746, 42106865, 84213730, 92635103, 185270206, 193691579, 387383158, 463175515, 926351030, 968457895, 1936915790, 2130607369, 4261214738, 10653036845, 21306073690]

約数ペア:

[(1, 21306073690), (2, 10653036845), (5, 4261214738), (10, 2130607369), (11, 1936915790), (22, 968457895), (23, 926351030), (46, 463175515), (55, 387383158), (110, 193691579), (115, 185270206), (230, 92635103), (253, 84213730), (506, 42106865), (1265, 16842746), (1301, 16376690), (2530, 8421373), (2602, 8188345), (6473, 3291530), (6505, 3275338), (12946, 1645765), (13010, 1637669), (14311, 1488790), (28622, 744395), (29923, 712030), (32365, 658306), (59846, 356015), (64730, 329153), (71203, 299230), (71555, 297758), (142406, 149615), (143110, 148879)]