21617382016

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{521}}^1\times {\mathrm{8761}}^1$

素因数の和:9333

約数の個数: 64

約数和(自身を含む): 44319773160

約数和(自身を除く): 22702391144

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 521, 592, 1042, 1184, 2084, 2368, 4168, 4736, 8336, 8761, 16672, 17522, 19277, 33344, 35044, 38554, 66688, 70088, 77108, 140176, 154216, 280352, 308432, 324157, 560704, 616864, 648314, 1121408, 1233728, 1296628, 2467456, 2593256, 4564481, 5186512, 9128962, 10373024, 18257924, 20746048, 36515848, 41492096, 73031696, 146063392, 168885797, 292126784, 337771594, 584253568, 675543188, 1351086376, 2702172752, 5404345504, 10808691008, 21617382016]

約数ペア:

[(1, 21617382016), (2, 10808691008), (4, 5404345504), (8, 2702172752), (16, 1351086376), (32, 675543188), (37, 584253568), (64, 337771594), (74, 292126784), (128, 168885797), (148, 146063392), (296, 73031696), (521, 41492096), (592, 36515848), (1042, 20746048), (1184, 18257924), (2084, 10373024), (2368, 9128962), (4168, 5186512), (4736, 4564481), (8336, 2593256), (8761, 2467456), (16672, 1296628), (17522, 1233728), (19277, 1121408), (33344, 648314), (35044, 616864), (38554, 560704), (66688, 324157), (70088, 308432), (77108, 280352), (140176, 154216)]